Report: Global warming already crimping crop production, pushing prices higher

Outlet: Washington Post

May 5, 2011

The warming of the Earth has cooled the yields of corn and wheat in much of the world, a new study finds.
Although agricultural advances have pushed global production of staple crops skyward, hotter temperatures in Russia, China, Mexico and elsewhere have stunted that growth and contributed to the long-term rise in food prices,..

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